
The regular expression i flag will override this checkbox, where (?i) will make the search case insensitive, and (?-i) will make the search case sensitive.


Note: Search option choices made by the user are remembered across invocations of Notepad++. The Mark tab (Search > Mark…) allows you to apply red-marking (a red background to matched text see (Preferences > Style Configurator > Global Styles > Find Mark style](./preferences/#global-styles)) to certain sections of text, and to add “bookmarks” to the lines that matched text is found upon. The Find in Files tab (Search > Find in Files or Ctrl+Shift+F) allows you to search and replace in multiple files with one action. The Replace tab (Search > Replace or Ctrl+H) is similar but allows you to also replace the matched text after it’s found. The Find tab (accessible using Search > Find or the keyboard shortcut Ctrl+F) gives access to searching and counting. Search Modes In The Find/Replace Dialogue Box: Together, Extended and Regular Expression search modes give you the power to search, replace, and reorder your text in ways that were not previously possible in Notepad++. Now, we can use an Extended search mode to make up for this shortcoming.

One of the major disadvantages of using regular expressions in Notepad++ was that it did not handle the newline character well-especially in Replace. The Best Feature In Extended Search Mode:
